Home / 3,050.65-4,207.77-2,420.29

Finding the Fourth Proportional to 3,050.65, 4,207.77 and 2,420.29

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Solution

The fourth proportional to 3,050.65, 4,207.77 and 2,420.29 is: 3,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.65 : 4,207.77 = 2,420.29 : x
  2. Step 2: Convert to fraction form
    3,050.65/4,207.77 = 2,420.29/x
  3. Step 3: Cross multiply
    3,050.65x = 4,207.77 × 2,420.29
  4. Step 4: Simplify right side
    3,050.65x = 10,184,023.65
  5. Step 5: Solve for x
    x = 10,184,023.65/3,050.65
  6. Step 6: Final answer
    x = 3,338.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.